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- Why is "RJ-45" cable called "RJ-45" ?
- Why transistor is called as bipolar device.
- why thyristor is called semi controlled device?
- why thyristor is called latching device?
- why transformer is called static device?
- Why inductance increases with frequency?
- Why earthing is essential in electrical installation ? Explain any one type of earthing.
- is efficiency of transformer is greater than electrical machine and why?
- Which type of MOSFET is called Normally ON MOSFET”? Why?
- Why a parallel resonant circuit is called Rejector circuit?
- Why SCR is called as thyristor?
- Why Mosfet is called Mosfet?
- Why synchronous machine is called doubly excited machine?
- Why voltage divider bias is also called self bias?
- Why is it called a 555 timer?
- why bjt is called current controlled device?
- why induction motor is called rotating transformer?
- Why in electric motor or generator heating due to current involves dissipation of electrical energy?
- why reactive ohm cannot converted electrical energy into heat?
- why the electrical appliances are connected in parallel ?
- If the inertia constant H of a machine of 200 MVA is 2 p.u., its value corresponding to 400 MVA will be
- Why is it cheaper to transmit electrical energy at high voltage?
- Why NAND and NOR gate are called as universal gate? Draw AND gate using NAND gate only.
- A 60 Hz, 4 pole turbo generator rated 100 MVA, 13.8 KV has an inertia constant of 10 MJ/MVA. Find the stored...
- Why harmonics are generated in electrical system?
- The inertia constant of a 100 MVA, 11 kV water wheel generator is 4. The energy stored in the rotor at the
- In Torque-Voltage analogy, the Moment of Inertia of a mechanical rotational system is analogous to
- The p.u. parameter for a 500 MVA machine on its own base are: inertia, M = 20 p.u. ; reactance, X = 2 p.u. The
- A 100 MVA, 11 KV, 3-phase, 50 Hz, 8—pole synchronous generator has an inertia constant H equal to
- The inertia constants of two groups of machines which do not swing together are M1 and M2. The equivalent
- A 50 Hz, 4 pole turboalternator rated at 20 MVA. 13.2 KV has an inertia constant H = 4 KW sec/KVA.
- The units of moment of inertia of mass are?
- What is inductance?
- The inductance if a resistance with a rating of 100watts at 100volts is connected in series with a inductor across 220volts/50hz
- A coil of 500 turns is linked with a flux of 25 mwb, when carries a current of 12.5A. Calculate the value of self-inductance.
- These self inductance of a circuit is defined as twice the work done against the induced e.m.f.
- A coil of inductance 240 mH and resistance 75 Ohm is connected in parallel with a capacitor across a 30 V,
- A network consists of several inductances connected in parallel. The equivalent inductance of the network is
- What is the value of Inductance of a coil that induces 20 V when the current through the coil changes from...
- A 220 kV, 3 phase transmission line is 60 km long. The resistance is 0.15 ohm / km and the inductance is ...
- A parallel combination of capacitance C and resistance R is connected in series with inductance L and small...
- The current i(t), through a 10 Ω resistor in series with an inductance, is given by ...
- A three phase 50 Hz, 400 kV transmission line is 300 km long. The line inductance is 0.97 mH/km per phase...
- A choke coil having resistance RΩ and of inductance L Henry is shunted by a capacitor of C farads. ...
- An undesirable side effect of motional inductance of large conduction specimens is
- If resistance is 20 Q. and inductance is 27 in a R-L series circuit, then time constant of this circuit will be?
- What is the reciprocal of inductance?
- What is the unit of inductance?
- An oscillator that uses a tapped coil to obtain the feedback is called:
- A resistor in which the resistance changes exponentially with change in temperature is called as

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